Apparatus for raising liquids.



No. 7l6,942. Patented 000. 30, I902.

-v. SCHWANINGER. APPARATUS FOR RAISING LIQUIDS. (Application filed Dec. 21, 1901. (No modem rm!!! L 2m w: NORRIS PLTERS 9o. PHOYQLITHO. WASHINOYON. o. c

ATnNT OFFICE.

VITUS SOl-IVVANINGER, OF OGGERSHEIM, GERMANY.

APPARATUS FOR RAISING LIQUIDS.

SPECIFICATION forming part of Letters Patent N 0. 716,942, dated December 30, 1902. Application filed December Zl, 1901. SerialNo.86,848. (Nomodeh) To to whom, it may concern.-

Be it known that I, VITUS SCHWANINGER, engineer, a subject of the King of Bavaria, and having my post-office address at Oggersheim, in the Palatinate, Empire of Germany,

other fluids, by means of steam or compressed air, in which two floats are employed to actuate the valve for alternately admitting and cutting off the pressure medium, one of these floats only (the lower one) acting on the valve continuously as it is in constant connection with it, while the other float, (the up per one,) which is not rigidly connected to the valve, only influences this latter when it lifts-11 a, opens-but causes no load to bear upon the valve as it falls, thus allowing the valve to remain in the open position.

Apparatus constructed according to this invention is illustrated in the accompanying drawing in vertical section and consists of a pressure vessel 1, which can be put into commnnication with thesupply-pipe 4 of the fluid to be raised through the medium of the lift-pipe 2 and clack-valve 3, in communication with the pressure-medium-supply pipe 6 through the valve 5, and in communication with the exterior atmosphere through the exhaust-valve 7. The supply-pipe 4 communicates with the deliverypipe 8 through the valve 3 and discharges into the collectingtank 9. The lower float 10 is connected rigidly to the cut-off element, in the present case a disk valve 5, by the rod 14, while the upper float 11 is not secured to this rod, but rests on brackets 19 as long as it is in its lowest position. The advantage gained by this is that the rod 14, connected to the lower float, is not weighted by the upper float resting on the brackets 19, while the valve 5 is in the open position, so that a comparatively small volume of the lower float immersed suffices to maintain the cut-off element in its open position as the fluid-level falls, whereby consequently the weight of the float 10, as well as the weights of those parts to be supported in their top position by the lift of this latter during the pressure period, are reduced. The small lower float 10 therefore only requires a lifting capacity equal to its own weight, the weight of the rod 14, and of the valve 5,while the lift of the larger float 11 must at least be capable to overcome the load caused by the pressure medium acting on the valve 5. As the fluid to be raised enters the pressure vessel 1 from the supply-pipe 4 through the valve 3 and pipe 2 the lower float 10 presses against the under side of the valve 5, but is, however, unable to open it, asits load caused by the pressure medium is greater than the lifting force of the float. The fluid goes on, rising higher, while the air in the pressure vessel escapes through the exhaust-valve .7 which has fallen down on its lower seat 13, thus opening communication between the pressure vessel and the external atmosphere. Finally the fluid reaches the upper float 11, which becomes immersed to such an extent that its lifting power overcomes the resultant load on the valve 5 and opens it by coming up against the stop-ring 20 on the rod 14. The pressure medium now enters out of the pipe 6 into the vessel 1, closes the exhaust-valve '7 by forcing it up. against its upper seating 12, and thus cuts off communica tion between the interior of the vessel 1 and the exterior atmosphere and forces the fluid to be raised up through the lift-pipe 2 and delivery-pipe S into the reservoir 9. Asthe load of the pressure medium acting up to now upon the pressure-medium valve is removed therefrom and the lifting force of the lower float is equal to its own weight, the weight of the rod 14, and of the valve 5, the lower float will maintain by reason of its lifting force the valve 5 open, while the level of the fluid falls to the position marked in the drawingt'. 6., down to the lower float, or, in other words, during the pressure period-whereupon the float 10 and rod 14 will fall back and the pressure-medium-supply pipe is closed to the pressure vessel.

Having now fully described my invention, I declare that what I claim, and desire to secure by Letters Patent, is

1. In apparatus for raising liquids, the combination of a chamber, means of supplying a pressure agent thereto, a valve for controlling said supply, an air discharge valve, means for filling said chamber with fluid, a vertical rod connected to said valve, a float adjustably fixed to said rod, a second float loosely attached to said rod and provided with a limited movement on said rod and brackets for supporting said upper float, when in its lower position, substantially as described.

2. In apparatus for raising liquids the combination of a chamber, means of supplying a pressure agent thereto, a valve for controlling said supply, an air discharge valve, means for filling said chamber with fluid, a vertical rod connected to said valve, a float adjustably fixed to said rod, a second float loosely attached to said rod and provided with a limited movement on the rod and brackets for supporting said upper float when in its lower position said upper float only acting upon the pressu re-agent-controlling valve when immersed, substantially as described.

3. In apparatus for raising liquids the combination of a chamber, means of supplyinga pressure agent thereto, a valve for controlling said supply, an air discharge valve, means for filling said chamber with fluid, a vertical rod connected to said valve, a float adjustably fixed to said rod, a second float loosely attached to said rod and provided with a limited movement on said rod and brackets for supporting said upper float, when in its lower position, and a stop-ring adjustably fixed to said rod against which the upper float when rising strikes said upper float only acting upon the pressure-agent-controlling valve when immersed, substantially as described.

In testimony whereof I affix my signature in presence of two witnesses.

VITUS scHwANINGER.

Witnesses:

JACOB ADRIAN, H. W. HARRIS. 

